A Doctor and an Engineer fall in love for the same girl.
Doctor used to give her a rose daily and engineer used to give the girl an apple.
Girl got confused and asked engineer : There is a meaning of giving rose, in Love. Why are you giving apple ?
Engineer answered : "An apple a day keeps the doctor away".
一位學者坐船，
問漁夫：懂數學嗎？
漁夫：不懂！
學者：你的生命失去一半。
船行河中，
學者：懂文學？
漁夫：不懂！
學者：剩的一半生命又失去了一半。
這時船突然漏水，
漁夫問：懂游泳？
學者：不懂！
漁夫：你的生命即將全部失去。
——啟示：人的價值不是他擁有多少技能，而是他擁有的技能在實踐中能發揮多少價值。